The Kiesel Guitars Custom Shop Aries AM6 and Aries AM7 guitars have beveled-alder bodies with multi-scale/fanned-fret bolt-on necks. They’re available in six- and seven-string configurations using scale lengths of 25.5” to 26.5” and 25.5” to 27.0”, respectively. The necks are reinforced with dual carbon-fiber rods and a two-way truss.